CHISQ.INV

CHISQ.INV(probability, degrees_freedom)

Returns the inverse of the probability distribution function for a chi-squared distribution (left tailed).

probabilityThe probability associated with the distribution.
degrees_freedomThe number of degrees of freedom.

REMARKS
* This function was added in Excel 2010 but it does not replace the CHINV function because this was right tailed.
* The chi-squared distribution is a [[continuous distribution]]
* If "probability" < 0, then #VALUE! is returned.
* If "probability" > 1, then #VALUE! is returned.
* If "probability" is not numeric, then #VALUE! is returned.
* If "degrees_freedom" is not an integer, it is truncated.
* If "degrees_freedom" < 1, then #NUM! is returned.
* If "degrees_freedom" > 10^10, then #NUM! is returned.
* If "degress_freedom" is not numeric, then #VALUE! is returned.
* You can use the CHISQ.DIST function to
* You can use the CHISQ.DIST.RT function to
* You can use the CHISQ.INV.RT function to
* You can use the CHISQ.TEST function to
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com

 A
1=CHISQ.INV(0.93,1) = 3.28
2=CHISQ.INV(0.6,2) = 1.83


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